201994780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{599}}^1\times {\mathrm{1297}}^1$

素因数の和:1918

約数の個数: 48

約数和(自身を含む): 457934400

約数和(自身を除く): 255939620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 599, 1198, 1297, 2396, 2594, 2995, 5188, 5990, 6485, 7787, 11980, 12970, 15574, 16861, 25940, 31148, 33722, 38935, 67444, 77870, 84305, 155740, 168610, 337220, 776903, 1553806, 3107612, 3884515, 7769030, 10099739, 15538060, 20199478, 40398956, 50498695, 100997390, 201994780]

約数ペア:

[(1, 201994780), (2, 100997390), (4, 50498695), (5, 40398956), (10, 20199478), (13, 15538060), (20, 10099739), (26, 7769030), (52, 3884515), (65, 3107612), (130, 1553806), (260, 776903), (599, 337220), (1198, 168610), (1297, 155740), (2396, 84305), (2594, 77870), (2995, 67444), (5188, 38935), (5990, 33722), (6485, 31148), (7787, 25940), (11980, 16861), (12970, 15574)]